The trading halt will remain in place until the beginning of trade on Friday, June 14, 2019, or when an announcement is made to the market, whichever occurs earlier.
Artemis' shares last traded at 3.8 cents.
The mineralisation report will be used to gain approval for a large sampling of up to 100,000 tonnes in total.
Novo is the manager of the Purdy’s Reward project under a 50/50 Artemis–Novo joint venture arrangement.
Artemis executive director Ed Mead said at the time: “Novo is utilising advances in computer processing and mechanical ore sorting technology to allow the concentration and estimation of grade from sufficiently large volumes to then generate resources and economic models.”